Central nervous system excitation state

Central nervous system excitation state" refers to a condition or process in which neurons in the CNS are more likely to generate action potentials and increase synaptic transmission. This can result from a reduction in inhibitory signaling, an increase in excitatory neurotransmission, or dysfunction in the molecular components (such as ion channels or neurotransmitter receptors) that regulate neuronal excitability. CNS excitation is not a discrete protein or receptor but a dynamic physiological or pathological state contributing to normal processes like alertness or pathological conditions such as seizures, tremor, or excitotoxic neuronal injury. Drug discovery efforts often aim to modulate CNS excitation through specific molecular targets (e.g., GABA receptors to dampen, glutamate receptors to increase or decrease excitation), but "CNS excitation state" itself is a functional descriptor, not a druggable entity.

Other names

CNS excitationcentral nervous system hyperexcitabilityneuronal excitation state in CNS